Now we have ipv6.h, hence the definition is not necessary anymore.
#define IPV4_MIN_MTU 68
#endif
-/* linux/ipv6.h */
-#ifndef IPV6_MIN_MTU
-#define IPV6_MIN_MTU 1280
-#endif
-
/* Note that LOOPBACK_IFINDEX is currently not exposed by the
* kernel/glibc, but hardcoded internally by the kernel. However, as
* it is exported to userspace indirectly via rtnetlink and the
#include <errno.h>
#include <inttypes.h>
+#include <linux/ipv6.h>
#include <net/if.h>
#include <stdio.h>
#include <stdlib.h>
/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#include <linux/ipv6.h>
#include <netinet/icmp6.h>
#include "dns-domain.h"
#include <linux/if.h>
#include <linux/if_arp.h>
#include <linux/if_bridge.h>
+#include <linux/ipv6.h>
#include "missing_network.h"
#include "netif-util.h"
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <fcntl.h>
+#include <linux/ipv6.h>
#include <netinet/in.h>
#include <poll.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <limits.h>
+#include <linux/ipv6.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>